Canis ISSN: 2398-2942

Skin: primary seborrhea

Synonym(s): keratinization defect

Contributor(s): Rosanna Marsella, David Scarff

Introduction

  • Cause: inherited disorder of keratinization or cornification.
  • Signs: scaly skin, often greasy, often malodoros; greasy otitis externa common.
  • Diagnosis: history, clinical signs, exclude causes of secondary seborrhea.
  • Treatment: management of secondary skin and ear infections, topical therapy and oral retinoids.
  • Prognosis: incurable.

Pathogenesis

Etiology

  • Causes not well understood.

Pathophysiology

  • Genetically determined trait, causing (uncharacterized) cell defect → excessive epidermal cell turnover (American Cocker Spaniel).

Timecourse

  • Present at birth.
  • Lifelong.
  • Worsens over time.

Diagnosis

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Treatment

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Scott D W, Miller W H (1996) Primary seborrhea in English Springer Spaniels - a retrospective study of 14 cases. JSAP 37 (4), 173-178 PubMed.
  • Werner A H, Power H T (1994) Retinoids in veterinary dermatology. Clin Dermatol 12 (4), 579-586 PubMed.

Other sources of information

  • Kwochka K W (1993)Keratinization abnormalities, understanding the mechanism of scale formation.In: Ihrke P Jet al(eds)Advances in Veterinary Dermatology.Vol 2, pp 91. New York: Pergamon Press.


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